This movie I know very well because it's still my favorite Trek movie after all these years (yes, I know that makes me strange since the odd numbered ones aren't the majority favorites). Anyhoo, compared to the movie, the audiobook was good, compared to the book, I don't know - it's an abridged version, and it's been years since I read it.
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6/9/21 - Unabridged, definitely better, though not all that different... though I could swear it has the original ending where Kirk's shot, but it has been a while since.